Remove unused ptBhadMother assignment

Removed assignment of ptBhadMother as it is no longer needed.

Author: Mingze129

PWGHF/D2H/TableProducer/treeCreatorDstarSpinAlignMixing.cxx

@@ -254,7 +254,6 @@ struct HfTreeCreatorDstarSpinAlignMixing {
         return;
       }
       origin = candidate.originMcRec();
-      ptBhadMother = candidate.ptBhadMotherPart();
       int const pdgBhadMother = candidate.pdgBhadMotherPart();
       // For unknown reasons there are charm hadrons coming directly from beauty diquarks without an intermediate B-hadron which have an unreasonable correlation between the pT of the charm hadron and the beauty mother. We also remove charm hadrons from quarkonia.
       if (origin == RecoDecay::OriginType::NonPrompt && (pdgBhadMother == 5101 || pdgBhadMother == 5103 || pdgBhadMother == 5201 || pdgBhadMother == 5203 || pdgBhadMother == 5301 || pdgBhadMother == 5303 || pdgBhadMother == 5401 || pdgBhadMother == 5403 || pdgBhadMother == 5503 || pdgBhadMother == 553 || pdgBhadMother == 555 || pdgBhadMother == 557)) { // o2-linter: disable=pdg/explicit-code, magic-number (constants not in the PDG header)